8238040

素因数分解:

$2^3\times 5^1\times {\mathrm{205951}}^1$

素因数の和:205962

約数の個数: 16

約数和(自身を含む): 18535680

約数和(自身を除く): 10297640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 205951, 411902, 823804, 1029755, 1647608, 2059510, 4119020, 8238040]

約数ペア:

[(1, 8238040), (2, 4119020), (4, 2059510), (5, 1647608), (8, 1029755), (10, 823804), (20, 411902), (40, 205951)]